cregit-Linux how code gets into the kernel

Release 4.12 include/sound/seq_midi_event.h

Directory: include/sound


 *  MIDI byte <-> sequencer event coder
 *  Copyright (C) 1998,99 Takashi Iwai <>,
 *                        Jaroslav Kysela <>
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   GNU General Public License for more details.
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA

#include <sound/asequencer.h>

#define MAX_MIDI_EVENT_BUF	256

/* midi status */

struct snd_midi_event {
int qlen;		/* queue length */
int read;		/* chars read */
int type;		/* current event type */
unsigned char lastcmd;	/* last command (for MIDI state handling) */
unsigned char nostat;	/* no state flag */
int bufsize;		/* allocated buffer size */
unsigned char *buf;	/* input buffer */
spinlock_t lock;

int snd_midi_event_new(int bufsize, struct snd_midi_event **rdev);
void snd_midi_event_free(struct snd_midi_event *dev);
void snd_midi_event_reset_encode(struct snd_midi_event *dev);
void snd_midi_event_reset_decode(struct snd_midi_event *dev);
void snd_midi_event_no_status(struct snd_midi_event *dev, int on);
/* encode from byte stream - return number of written bytes if success */
long snd_midi_event_encode(struct snd_midi_event *dev, unsigned char *buf, long count,
			   struct snd_seq_event *ev);
int snd_midi_event_encode_byte(struct snd_midi_event *dev, int c, struct snd_seq_event *ev);
/* decode from event to bytes - return number of written bytes if success */
long snd_midi_event_decode(struct snd_midi_event *dev, unsigned char *buf, long count,
			   struct snd_seq_event *ev);

#endif /* __SOUND_SEQ_MIDI_EVENT_H */

Overall Contributors

Jaroslav Kysela14986.13%466.67%
Takashi Iwai2313.29%116.67%
David Howells10.58%116.67%
Directory: include/sound
Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
Created with cregit.